20-25, 20-30, 20's, 20s, 25-30, accepting, acknowledging, adult, african, african american, african-american, afro american, afro-american, black, business clothing, business man, businesspeople, cellular, cellular phone, cheerful, color, colour, communicating, connecting, connexion, daylight, daytime, delighted, dispatching, enjoyment, enterprise, examining, executive, eyeing, fellow, gentleman, glad, gratifying, guy, hall, hallway, human, human being, indoor, inside, joining, jolly, joy, lighthearted, looking, male, merry, mobile, mobile phone, negative space, of african descent, one, operating, passageway, person, phone, pleasing, pleasure, reader, recipient, responding, satisfaction, seeing, sender, smile, sms, suit, telephone, text message, twenties, twenty, waist-up, white space, wireless, workplace,
